20219628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11783}}^1$

素因数の和:11814

約数の個数: 48

約数和(自身を含む): 55431936

約数和(自身を除く): 35212308

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11783, 23566, 35349, 47132, 70698, 129613, 141396, 153179, 259226, 306358, 388839, 459537, 518452, 612716, 777678, 919074, 1555356, 1684969, 1838148, 3369938, 5054907, 6739876, 10109814, 20219628]

約数ペア:

[(1, 20219628), (2, 10109814), (3, 6739876), (4, 5054907), (6, 3369938), (11, 1838148), (12, 1684969), (13, 1555356), (22, 919074), (26, 777678), (33, 612716), (39, 518452), (44, 459537), (52, 388839), (66, 306358), (78, 259226), (132, 153179), (143, 141396), (156, 129613), (286, 70698), (429, 47132), (572, 35349), (858, 23566), (1716, 11783)]